Home / 540,972,023.40-811,458,035.10-368,785,139.40

Finding the Fourth Proportional to 540,972,023.40, 811,458,035.10 and 368,785,139.40

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Solution

The fourth proportional to 540,972,023.40, 811,458,035.10 and 368,785,139.40 is: 553,177,709.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,972,023.40 : 811,458,035.10 = 368,785,139.40 : x
  2. Step 2: Convert to fraction form
    540,972,023.40/811,458,035.10 = 368,785,139.40/x
  3. Step 3: Cross multiply
    540,972,023.40x = 811,458,035.10 × 368,785,139.40
  4. Step 4: Simplify right side
    540,972,023.40x = 299,253,664,591,603,584
  5. Step 5: Solve for x
    x = 299,253,664,591,603,584/540,972,023.40
  6. Step 6: Final answer
    x = 553,177,709.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.